Abstract
Let \({\mathbb {E}}=\{E_r(x):r>0,x\in X\}\) be a family of open subsets of a topological space X equipped with a nonnegative Borel measure \(\mu \) satisfying some basic properties. We establish sharp quantitative weighted norm inequalities for the Hardy–Littlewood maximal operator \(M_{{\mathbb {E}}}\) associated with \({\mathbb {E}}\) in terms of mixed \(A_p\)–\(A_\infty \) constants. The main ingredient to prove this result is a sharp form of a weak reverse Hölder inequality for the \(A_{\infty ,{\mathbb {E}}}\) weights. As an application of this inequality, we also provide a quantitative version of the open property for \(A_{p,{\mathbb {E}}}\) weights. Next, we prove a covering lemma in this setting and using this lemma establish the endpoint Fefferman–Stein weighted inequality for the maximal operator \(M_{{\mathbb {E}}}\). Moreover, vector-valued extensions for maximal inequalities are also obtained in this context.
Data Availibility
Not applicable in the manuscript as no datasets were generated or analyzed during the current study.
References
Aimar, H., Bernardis, A., Nowak, L.: Dyadic Fefferman–Stein inequalities and the equivalence of Haar bases on weighted Lebesgue spaces. Proc. R. Soc. Edinb. Sect. A 141, 1–21 (2011)
Buckley, S.M.: Estimates for operator norms on weighted spaces and reverse Jensen inequalities. Trans. Am. Math. Soc. 340, 253–272 (1993)
Caffarelli, L.A., Gutiérrez, C.E.: Real analysis related to the Monge–Ampère equation. Trans. Am. Math. Soc. 348, 1075–1092 (1996)
Calderón, A.P.: Inequalities for the maximal function relative to a metric. Studia Math. 57, 297–306 (1976)
Calderón, A.P., Torchinsky, A.: Parabolic maximal functions associated with a distribution. Adv. Math. 16, 1–63 (1975)
Carbery, A., Christ, M., Vance, J., Wainger, S., Watson, D.: Operators associated to flat plane curves: \(L^p\) estimates via dilation methods. Duke Math. J. 59, 675–700 (1989)
Chang, D.C., Dafni, G., Stein, E.M.: Hardy spaces, BMO, and boundary value problems for the Laplacian on a smooth domain in \(\mathbb{R} ^d\). Trans. Am. Math. Soc. 351, 1605–1661 (1999)
Chang, D.C., Krantz, S.G., Stein, E.M.: \(H^p\) Theory on a smooth domain in \(\mathbb{R} ^d\) and elliptic boundary value problems. J. Funct. Anal. 114, 286–347 (1993)
Coifman, R., Fefferman, C.: Weighted norm inequalities for maximal functions and singular integrals. Studia Math. 51, 241–250 (1974)
Ding, Y., Lee, M-Y., and Lin, C-Ch., \({{\cal{A}}}_{p,\mathbb{E}}\) weights, maximal operators, and Hardy spaces associated with a family of general sets. J. Fourier Anal. Appl., 20, 608–667 (2014)
Ding, Y., Lee, M-Y., Lin, C-Ch.: Carleson measure characterization of weighted BMO associated with a family of general sets. J. Geom. Anal., 27, 842–867 (2017)
Edwards, R.E., Gaudry, G.I.: Littlewood–Paley and Multiplier Theory. Springer-Verlag, Berlin (1977)
Fefferman, C., Stein, E.M.: Some maximal inequalities. Am. J. Math. 93, 107–115 (1971)
Folland, G.B., Stein, E.M.: Hardy Spaces on Homogeneous Groups. Princeton University Press, Princeton (1982)
Fujii, N.: Weighted bounded mean oscillation and singular integrals. Math. Jpn., 22, 529–534 (1977/78)
Garcia-Cuerva, J., Rubio de Francia, J.L.: Weighted norm inequalities and related topics. North Holland Math. Studies, 116, North Holland, Amsterdam (1985)
Guzmán, M.: Differentiation of integrals in \(\mathbb{R} ^d\). Lecture Notes in Mathematics, vol. 481. Springer, Berlin (1975)
Hardy, G.H., Littlewood, J.E.: A maximal theorem with function-theoretic applications. Acta Math. 54, 81–116 (1930)
Hruščev, S,V.: A description of weights satisfying the \(A_\infty \) condition of Muckenhoupt. Proc. Am. Math. Soc., 90, 253–257 (1984)
Hytönen, T., Pérez, C., Rela, E.: Sharp reverse Hölder property for \(A_{\infty }\) weights on spaces of homogeneous type. J. Funct. Anal. 263, 3883–3899 (2012)
Kenig, C.: Elliptic boundary value problems on Lipschitz domains, Bei**g Lectures in Harmonic Analysis. Ann. Math. Stud. 112, 131–183 (1986)
Kenig, C.: Harmonic analysis techniques for second order elliptic boundary value problems, vol. 83, CBMS Regional Conference Series in Math. AMS (1994)
Kurtz, D.: Weighted norm inequalities for the Hardy–Littlewood maximal function for one parameter rectangles. Studia Math. 53, 39–54 (1975)
Luque, T., Parissis, I.: The endpoint Fefferman–Stein inequality for the strong maximal function. J. Funct. Anal. 266, 199–212 (2014)
Muckenhoupt, B.: Weighted norm inequalities for the Hardy maximal function. Trans. Am. Math. Soc. 165, 207–226 (1972)
Neugebauer, C.: On the Hardy-Littlewood maximal function and some applications. Trans. Am. Math. Soc. 259, 99–105 (1980)
Ombrosi, S., Rivera-Ríos, I.P., Safe, M.D.: Fefferman–Stein inequalities for the Hardy–Littlewood maximal function on the infinite rooted k-ary tree. Int. Math. Res. Not., IMRN 2021, 2736–2762 (2021)
Paternostro, V., Rela, E.: Improved Buckley’s theorem on LCA groups. Pac. J. Math. 299, 171–189 (2019)
Saks, S.: Remark on the differentiability of the Lebesgue indefinite integral. Fund. Math. 22, 257–261 (1934)
Stein, E.M.: Harmonic Analysis: Real-Variable Methods, Orthogonality, and Oscillatory Integrals. Princeton University Press, Princeton (1993)
Wiener, N.: The ergodic theorem. Duke Math. J. 5, 1–18 (1939)
Wilson, J.M.: Weighted inequalities for the dyadic square function without dyadic \(A_{\infty }\). Duke Math. J. 55, 19–50 (1987)
Wilson, J.M.: Weighted Littlewood–Paley theory and exponential-square integrability. Lecture Notes in Mathematics, vol. 1924. Springer, Berlin (2008)
Author information
Authors and Affiliations
Corresponding author
Ethics declarations
Conflict of interest
The authors have not disclosed any conflict of interest.
Additional information
Publisher's Note
Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.
Rights and permissions
Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
About this article
Cite this article
Behera, B., Molla, M.N. Inequalities for Maximal Operators Associated with a Family of General Sets. Results Math 79, 197 (2024). https://doi.org/10.1007/s00025-024-02224-1
Received:
Accepted:
Published:
DOI: https://doi.org/10.1007/s00025-024-02224-1
Keywords
- Hardy–Littlewood maximal function
- \(A_p\)-weights
- reverse Hölder inequality
- vector-valued inequalities